What were the counties that took part in the assassanation?

Answer 1

The assassination of Archduke Franz Ferdinand of Austria in 1914 was primarily linked to Serbia, as the assassin, Gavrilo Princip, was a member of the nationalist group known as the Black Hand, which sought to promote Serbian nationalism. The assassination also had wider implications involving Austria-Hungary and its ally Germany, as well as Russia, which supported Serbia. Thus, the key countries involved in the events surrounding the assassination were Serbia, Austria-Hungary, Germany, and Russia.